/* Power of Interest navigation — focused Update 92
   Focused responsive rule set with viewport-safe desktop panels, synchronized menu state, and calculator accordions through 1050px. */

/* ---------- Header + primary navigation ---------- */
.site-header{position:relative;z-index:1200;overflow:visible}
.site-header .nav,.site-header .nav-links{overflow:visible}
html{overflow-x:clip}
.site-header .nav-links{align-items:center}
.poi-nav-item{position:relative;display:flex;align-items:center}
.poi-nav-link-row{display:flex;align-items:center;white-space:nowrap}

.site-header .nav-links>.poi-nav-item>.poi-nav-link-row>a,
.site-header .nav-links>a:not(.nav-buy):not(.nav-trial){
  display:inline-flex;align-items:center;min-height:40px;padding:9px 7px;border-radius:8px;
  color:var(--navy,#17345f);font-size:15.5px;font-weight:780;line-height:1;text-decoration:none;white-space:nowrap
}
.site-header .nav-links>.poi-nav-item>.poi-nav-link-row>a:hover,
.site-header .nav-links>a:not(.nav-buy):not(.nav-trial):hover{
  color:var(--blue,#2467d5);background:#f3f7fd
}
.site-header .nav-links [aria-current="page"]{color:var(--blue,#2467d5)}

.poi-nav-toggle{
  display:inline-grid;place-items:center;width:34px;height:40px;margin-left:-2px;padding:0;border:0;border-radius:8px;
  background:transparent;color:#49617f;cursor:pointer
}
.poi-nav-toggle:hover,.poi-nav-toggle:focus-visible{
  background:#edf4fd;color:var(--blue,#2467d5);outline:2px solid transparent
}
.poi-chevron{
  position:relative;display:block;width:12px;height:8px;transition:transform .16s ease
}
.poi-chevron::before,.poi-chevron::after{
  content:"";position:absolute;top:3px;width:7px;height:2px;border-radius:2px;background:currentColor
}
.poi-chevron::before{left:0;transform:rotate(42deg);transform-origin:right center}
.poi-chevron::after{right:0;transform:rotate(-42deg);transform-origin:left center}
.poi-nav-item.is-open .poi-chevron{transform:rotate(180deg)}

/* ---------- Shared dropdown surface ---------- */
.poi-nav-panel{
  position:absolute;top:100%;left:0;z-index:1250;padding-top:10px;opacity:0;visibility:hidden;pointer-events:none;
  transform:translate(var(--poi-panel-shift,0px),5px);transition:opacity .14s ease,transform .14s ease,visibility .14s ease
}
.poi-nav-item--mega>.poi-nav-panel,.poi-nav-item--medium>.poi-nav-panel{
  left:50%;transform:translate(calc(-50% + var(--poi-panel-shift,0px)),5px)
}
.poi-menu-surface{
  position:relative;background:#fff;border:1px solid #d3dfef;border-radius:16px;
  box-shadow:0 22px 54px rgba(25,53,91,.20);color:#263f61
}
.poi-nav-panel--products .poi-menu-surface::before,
.poi-nav-panel--calculators .poi-menu-surface::before,
.poi-nav-panel--math .poi-menu-surface::before,
.poi-nav-panel--guides .poi-menu-surface::before{
  content:"";position:absolute;left:calc(50% - var(--poi-panel-shift,0px));top:-8px;width:15px;height:15px;background:#fff;
  border-left:1px solid #d3dfef;border-top:1px solid #d3dfef;transform:translateX(-50%) rotate(45deg);
  border-radius:2px 0 0 0
}

.poi-mega-heading{
  display:flex;align-items:center;justify-content:space-between;gap:22px;padding:0 0 20px;border-bottom:1px solid #dbe5f1
}
.poi-mega-heading>div{display:grid;gap:5px}
.poi-mega-kicker{
  color:var(--blue,#2467d5);font-size:12px;font-weight:900;letter-spacing:.105em;text-transform:uppercase
}
.poi-mega-heading strong{color:#102f5b;font-size:24px;font-weight:850;line-height:1.2;letter-spacing:-.012em}
.poi-mega-heading>a{
  flex:0 0 auto;color:var(--blue,#2467d5);font-size:15.5px;font-weight:850;text-decoration:none
}
.poi-mega-heading>a:hover,.poi-mega-heading>a:focus-visible{text-decoration:underline;outline:none}

/* ---------- Home dropdown ---------- */
.poi-nav-panel--home{width:355px}
.poi-nav-panel--home .poi-menu-surface{padding:11px}
.poi-home-preview{
  position:relative;display:block;margin:0 0 9px;overflow:hidden;border:1px solid #d6e3f2;border-radius:14px;
  background:linear-gradient(180deg,#f7fbff 0%,#eef5ff 100%);color:#17345f;text-decoration:none;
  box-shadow:0 8px 20px rgba(34,78,133,.08)
}
.poi-home-preview-kicker{
  display:block;padding:10px 12px 7px;color:#2467d5;font-size:10.5px;font-weight:900;letter-spacing:.095em;text-transform:uppercase
}
.poi-home-preview-screen{
  display:block;margin:0 10px 0;border:1px solid #cbd9e9;border-radius:9px;overflow:hidden;background:#fff;
  box-shadow:0 7px 18px rgba(31,70,125,.10)
}
.poi-home-preview-screen img{display:block;width:100%;aspect-ratio:2.04/1;object-fit:cover;object-position:top center}
.poi-home-preview-caption{
  display:grid;grid-template-columns:1fr auto;align-items:center;gap:10px;padding:10px 12px 11px;background:transparent
}
.poi-home-preview-caption strong{font-size:14.5px;font-weight:900;line-height:1.2}
.poi-home-preview-caption span{color:#617794;font-size:11.5px;font-weight:750;line-height:1.2;text-align:right}
.poi-home-preview:hover,.poi-home-preview:focus-visible{border-color:#b8d0ed;background:linear-gradient(180deg,#f4f9ff,#e8f2ff);outline:none}
.poi-home-preview:hover .poi-home-preview-caption strong,
.poi-home-preview:focus-visible .poi-home-preview-caption strong{color:#145fc2}
.poi-home-preview:focus-visible{box-shadow:0 0 0 2px #8db8ec,0 8px 20px rgba(34,78,133,.08)}
.poi-home-links{display:grid;grid-template-columns:1fr 1fr;gap:7px}
.poi-home-links a{
  display:flex;align-items:center;justify-content:center;min-height:42px;padding:9px 11px;border:1px solid #e0e9f4;border-radius:9px;
  background:#fff;color:#17345f;font-size:14.5px;font-weight:820;line-height:1.2;text-decoration:none
}
.poi-home-links a::after{content:none}
.poi-home-links a:hover,.poi-home-links a:focus-visible{border-color:#cbdcf0;background:#edf5ff;color:#145fc2;outline:none}

/* ---------- Products mega menu ---------- */
.poi-nav-panel--products{width:min(1080px,calc(100vw - 28px))}
.poi-nav-panel--products .poi-menu-surface{padding:30px 34px 24px}
.poi-products-grid{
  position:relative;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 46px;margin-top:22px
}
.poi-products-grid::before{
  content:"";position:absolute;top:2px;bottom:2px;left:50%;width:1px;background:#dfe8f3;transform:translateX(-23px)
}
.poi-product-link{
  position:relative;display:grid;grid-template-columns:48px minmax(0,1fr);grid-template-rows:auto auto;
  column-gap:16px;row-gap:5px;align-items:start;padding:14px 15px 14px 6px;border:0;border-radius:13px;
  color:#395676;font-size:15.75px;font-weight:580;line-height:1.5;text-decoration:none;
  transition:background .14s ease,box-shadow .14s ease,transform .14s ease
}
.poi-product-link::before{
  content:"" !important;grid-column:1;grid-row:1/3;display:block;width:46px;height:46px;margin-top:1px;border-radius:12px;
  background-color:#edf5ff;background-repeat:no-repeat;background-position:center;background-size:23px 23px;
  box-shadow:inset 0 0 0 1px #dceafb;transition:background-color .14s ease,box-shadow .14s ease
}
.poi-product-link:nth-child(1)::before{background-image:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%232467d5%22%20stroke-width%3D%222%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Crect%20x%3D%223%22%20y%3D%224.5%22%20width%3D%2218%22%20height%3D%2216%22%20rx%3D%222.5%22%2F%3E%3Cpath%20d%3D%22M8%202.75v4.5M16%202.75v4.5M3%209.5h18%22%2F%3E%3Cpath%20d%3D%22M8%2013h.01M12%2013h.01M16%2013h.01M8%2017h.01M12%2017h.01M16%2017h.01%22%2F%3E%3C%2Fsvg%3E")}
.poi-product-link:nth-child(2)::before{background-image:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%232467d5%22%20stroke-width%3D%222.1%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpath%20d%3D%22M6%2019L18%205%22%2F%3E%3Ccircle%20cx%3D%227.5%22%20cy%3D%227.5%22%20r%3D%222.5%22%2F%3E%3Ccircle%20cx%3D%2216.5%22%20cy%3D%2216.5%22%20r%3D%222.5%22%2F%3E%3C%2Fsvg%3E")}
.poi-product-link:nth-child(3)::before{background-image:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%232467d5%22%20stroke-width%3D%222%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpath%20d%3D%22M3%2010.75L12%203l9%207.75%22%2F%3E%3Cpath%20d%3D%22M6.5%209.75V21h11V9.75%22%2F%3E%3C%2Fsvg%3E")}
.poi-product-link:nth-child(4)::before{background-image:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%232467d5%22%20stroke-width%3D%221.9%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Ccircle%20cx%3D%2212%22%20cy%3D%228%22%20r%3D%223.1%22%2F%3E%3Cpath%20d%3D%22M6.2%2018.4c.7-2.7%203-4.4%205.8-4.4s5.1%201.7%205.8%204.4%22%2F%3E%3Ccircle%20cx%3D%225.2%22%20cy%3D%229.6%22%20r%3D%222.1%22%2F%3E%3Cpath%20d%3D%22M2.5%2018c.25-1.6%201.33-2.84%202.85-3.35%22%2F%3E%3Ccircle%20cx%3D%2218.8%22%20cy%3D%229.6%22%20r%3D%222.1%22%2F%3E%3Cpath%20d%3D%22M18.65%2014.65c1.52.51%202.6%201.75%202.85%203.35%22%2F%3E%3C%2Fsvg%3E")}
.poi-product-link:nth-child(5)::before{background-image:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%232467d5%22%20stroke-width%3D%222%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpath%20d%3D%22M7%203.5h8l4%204V20a1.5%201.5%200%200%201-1.5%201.5h-10A1.5%201.5%200%200%201%206%2020V5A1.5%201.5%200%200%201%207.5%203.5Z%22%2F%3E%3Cpath%20d%3D%22M15%203.8V8h4.2%22%2F%3E%3Cpath%20d%3D%22M9%2011.5h6M9%2015.5h6M9%2019.5h4.5%22%2F%3E%3C%2Fsvg%3E")}
.poi-product-link:nth-child(6)::before{background-image:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%232467d5%22%20stroke-width%3D%222%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpath%20d%3D%22M4%2020.5h16%22%2F%3E%3Cpath%20d%3D%22M7%2017V10%22%2F%3E%3Cpath%20d%3D%22M12%2017V5.5%22%2F%3E%3Cpath%20d%3D%22M17%2017v-8%22%2F%3E%3C%2Fsvg%3E")}
.poi-product-link:nth-child(7)::before{background-image:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%232467d5%22%20stroke-width%3D%222%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpath%20d%3D%22M20%205v5h-5%22%2F%3E%3Cpath%20d%3D%22M4%2019v-5h5%22%2F%3E%3Cpath%20d%3D%22M19%2010a7%207%200%200%200-12-3L4%2010%22%2F%3E%3Cpath%20d%3D%22M5%2014a7%207%200%200%200%2012%203l3-3%22%2F%3E%3C%2Fsvg%3E")}
.poi-menu-link-title{grid-column:2;grid-row:1;color:#102f5b;font-size:18px;font-weight:900;line-height:1.3}
.poi-product-link>span:last-child{grid-column:2;grid-row:2;color:#45627f;font-size:15.75px;line-height:1.5}
.poi-product-link:hover,.poi-product-link:focus-visible{
  background:#edf5ff;box-shadow:inset 0 0 0 1px #cfe0f5;transform:translateX(2px);outline:none
}
.poi-product-link:hover::before,.poi-product-link:focus-visible::before{
  background-color:#dfeeff;box-shadow:inset 0 0 0 1px #c4daf5
}
.poi-product-link:hover .poi-menu-link-title,.poi-product-link:focus-visible .poi-menu-link-title{color:#145fc2}
.poi-mega-footer{
  display:flex;justify-content:flex-end;gap:24px;margin-top:18px;padding:16px 0 0;border-top:1px solid #dbe5f1
}
.poi-mega-footer a{color:var(--blue,#2467d5);font-size:13.5px;font-weight:850;text-decoration:none}
.poi-mega-footer a:hover,.poi-mega-footer a:focus-visible{text-decoration:underline;outline:none}

/* ---------- Calculators mega menu ---------- */
.poi-nav-panel--calculators{width:min(1280px,calc(100vw - 28px))}
.poi-nav-panel--calculators .poi-menu-surface{padding:30px 34px 24px}
.poi-calculator-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin-top:20px}
.poi-calc-links{display:block}
.poi-calc-accordion-toggle{display:none}
.poi-calc-column{position:relative;padding:0 27px;min-width:0}
.poi-calc-column:first-child{padding-left:4px}
.poi-calc-column:last-child{padding-right:4px}
.poi-calc-column:not(:first-child)::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:1px;background:#dfe8f3
}
.poi-calc-column h3{
  display:flex;align-items:center;gap:11px;margin:0 0 13px;color:#102f5b;font-size:17.5px;font-weight:900;
  letter-spacing:0;line-height:1.24
}
.poi-calc-column h3::before{
  content:"";display:block;flex:0 0 36px;width:36px;height:36px;border-radius:10px;background-color:#edf5ff;
  background-repeat:no-repeat;background-position:center;background-size:19px 19px;box-shadow:inset 0 0 0 1px #dceafb
}
.poi-calc-column:nth-child(1) h3::before{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232467d5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='5' y='3' width='14' height='18' rx='2'/%3E%3Cpath d='M8 7h8M8 11h2M14 11h2M8 15h2M14 15h2M8 19h8'/%3E%3C/svg%3E")}
.poi-calc-column:nth-child(2) h3::before{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232467d5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 11.5L12 4l9 7.5'/%3E%3Cpath d='M5.5 10.5V20h13v-9.5'/%3E%3Cpath d='M9 20v-5h6v5'/%3E%3C/svg%3E")}
.poi-calc-column:nth-child(3) h3::before{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232467d5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 19V9M10 19V5M16 19v-7M22 19H2'/%3E%3Cpath d='M4 9l6-4 6 7 6-5'/%3E%3C/svg%3E")}
.poi-calc-column:nth-child(4) h3::before{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232467d5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='5' width='18' height='14' rx='2'/%3E%3Cpath d='M3 9h18M7 14h4'/%3E%3C/svg%3E")}
.poi-calc-column a{
  position:relative;display:block;margin:0 -8px;padding:7px 27px 7px 9px;border-radius:7px;color:#29496f;
  font-size:15.75px;font-weight:700;line-height:1.4;text-decoration:none;
  transition:background .12s ease,color .12s ease,transform .12s ease
}
.poi-calc-column a::after{
  content:"›";position:absolute;right:9px;top:50%;transform:translateY(-52%);color:#6c8bb0;font-size:18px;font-weight:500;
  transition:transform .12s ease,color .12s ease
}
.poi-calc-column a:hover,.poi-calc-column a:focus-visible{
  background:#edf5ff;color:#145fc2;transform:translateX(2px);outline:none
}
.poi-calc-column a:hover::after,.poi-calc-column a:focus-visible::after{color:#145fc2;transform:translate(2px,-52%)}

/* ---------- Math + Guides menus ---------- */
.poi-nav-panel--math{width:min(620px,calc(100vw - 32px))}
.poi-nav-panel--guides{width:min(810px,calc(100vw - 32px))}
.poi-nav-panel--math .poi-menu-surface,.poi-nav-panel--guides .poi-menu-surface{padding:26px 28px 22px}
.poi-topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 30px;margin-top:18px}
.poi-topic-column{min-width:0}
.poi-topic-column h3{
  margin:0 0 10px;padding-left:10px;border-left:3px solid #3c7dde;color:#102f5b;font-size:17.25px;font-weight:900;line-height:1.28
}
.poi-topic-column a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;margin:0 -7px;padding:7px;border-radius:8px;
  color:#355474;font-size:15.25px;font-weight:700;line-height:1.34;text-decoration:none
}
.poi-topic-column a::after{content:"›";flex:0 0 auto;color:#8ca1bb;font-size:18px;font-weight:700;line-height:1}
.poi-topic-column a:hover,.poi-topic-column a:focus-visible{background:#edf5ff;color:#145fc2;outline:none}
.poi-topic-column a:hover::after,.poi-topic-column a:focus-visible::after{color:#145fc2}

/* ---------- CTA buttons in the header ---------- */
.site-header .nav-links>.nav-trial,.site-header .nav-links>.nav-buy{
  display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:9px 13px;border-radius:9px;
  font-size:13.5px;font-weight:850;line-height:1;text-decoration:none;white-space:nowrap;
  transition:transform .12s ease,box-shadow .12s ease,background .12s ease,border-color .12s ease
}
.site-header .nav-links>.nav-trial{border:1px solid #b7cce8;background:#f7fbff;color:#1759ad}
.site-header .nav-links>.nav-trial:hover{background:#edf5ff;border-color:#8fb3e0;transform:translateY(-1px)}
.site-header .nav-links>.nav-buy{
  border:1px solid var(--blue,#2467d5);background:var(--blue,#2467d5);color:#fff;box-shadow:0 5px 14px rgba(36,103,213,.18)
}
.site-header .nav-links>.nav-buy:hover{background:var(--blue-dark,#174da8);border-color:var(--blue-dark,#174da8);transform:translateY(-1px)}

/* ---------- Desktop interaction ---------- */
@media (min-width:1051px){
  .poi-nav-item.is-open>.poi-nav-panel{
    opacity:1;visibility:visible;pointer-events:auto;transform:translate(var(--poi-panel-shift,0px),0)
  }
  .poi-nav-item--mega.is-open>.poi-nav-panel,
  .poi-nav-item--medium.is-open>.poi-nav-panel{
    transform:translate(calc(-50% + var(--poi-panel-shift,0px)),0)
  }
}

@media (min-width:1051px){
  .poi-nav-panel--calculators .poi-menu-surface{
    max-height:calc(100vh - var(--poi-nav-panel-top,90px) - 16px);overflow-y:auto;overscroll-behavior:contain
  }
}

/* ---------- 1051–1180px: keep type readable without crowding ---------- */
@media (max-width:1180px) and (min-width:1051px){
  .site-header .nav-links{gap:3px}
  .site-header .nav-links>.poi-nav-item>.poi-nav-link-row>a,
  .site-header .nav-links>a:not(.nav-buy):not(.nav-trial){
    padding-left:5px;padding-right:5px;font-size:15px
  }
  .poi-nav-toggle{width:32px;height:38px;margin-left:-3px}
  .site-header .nav-links>.nav-trial,.site-header .nav-links>.nav-buy{
    min-height:38px;padding-left:10px;padding-right:10px;font-size:12.75px
  }

  .poi-nav-panel--products{width:min(970px,calc(100vw - 28px))}
  .poi-nav-panel--calculators{width:min(1100px,calc(100vw - 28px))}
  .poi-nav-panel--math{width:min(580px,calc(100vw - 28px))}
  .poi-nav-panel--guides{width:min(750px,calc(100vw - 28px))}
  .poi-nav-panel--products .poi-menu-surface,.poi-nav-panel--calculators .poi-menu-surface{padding:24px 24px 20px}
  .poi-nav-panel--math .poi-menu-surface,.poi-nav-panel--guides .poi-menu-surface{padding:22px 22px 18px}

  .poi-mega-heading{padding-bottom:16px}
  .poi-mega-heading strong{font-size:20.5px}
  .poi-mega-heading>a{font-size:14px}
  .poi-mega-kicker{font-size:11.5px}

  .poi-products-grid{gap:10px 28px;margin-top:18px}
  .poi-products-grid::before{transform:translateX(-14px)}
  .poi-product-link{
    grid-template-columns:40px minmax(0,1fr);column-gap:12px;padding:11px 10px 11px 4px;font-size:15px
  }
  .poi-product-link::before{width:38px;height:38px;background-size:19px 19px;border-radius:10px}
  .poi-menu-link-title{font-size:16.5px}
  .poi-product-link>span:last-child{font-size:15px;line-height:1.46}

  .poi-calc-column{padding:0 16px}
  .poi-calc-column:first-child{padding-left:3px}
  .poi-calc-column:last-child{padding-right:3px}
  .poi-calc-column h3{gap:8px;font-size:16px;margin-bottom:11px}
  .poi-calc-column h3::before{width:30px;height:30px;flex-basis:30px;border-radius:8px;font-size:15px}
  .poi-calc-column a{font-size:15px;line-height:1.38;padding:6px 23px 6px 8px}
  .poi-calc-column a::after{right:7px}

  .poi-topic-grid{gap:12px 22px;margin-top:15px}
  .poi-topic-column h3{font-size:16.25px;margin-bottom:8px;padding-left:9px}
  .poi-topic-column a{font-size:14.75px;padding-top:6.5px;padding-bottom:6.5px}
}

/* ---------- Mobile/tablet navigation ---------- */
@media (max-width:1050px){
  .site-header .nav{flex-wrap:wrap;gap:12px}
  .site-header .menu-button{display:inline-flex!important;margin-left:auto;align-items:center;justify-content:center}
  .site-header .nav-links{display:none!important;order:3;width:100%;margin-left:0!important;gap:2px;flex-direction:column;align-items:stretch}
  .site-header .nav-links.open{display:flex!important}
  .site-header .nav-links{align-items:stretch}
  .poi-nav-item,.poi-nav-link-row{display:block;width:100%}
  .poi-nav-link-row{position:relative}
  .site-header .nav-links>.poi-nav-item>.poi-nav-link-row>a{
    display:flex;width:100%;min-height:42px;padding:11px 52px 11px 7px;font-size:15.5px
  }
  .site-header .nav-links>a:not(.nav-buy):not(.nav-trial){font-size:15.5px}
  .poi-nav-toggle{position:absolute;top:1px;right:2px;width:46px;height:40px}

  .poi-nav-panel,.poi-nav-item--mega>.poi-nav-panel,.poi-nav-item--medium>.poi-nav-panel,.poi-nav-panel--home{
    position:static;display:none;width:100%;max-width:none;padding:0 0 7px;opacity:1;visibility:visible;pointer-events:auto;transform:none
  }
  .poi-nav-item.is-open>.poi-nav-panel{display:block}
  .poi-menu-surface{margin:0 2px;border-radius:11px;box-shadow:none}
  .poi-nav-panel--home .poi-menu-surface,
  .poi-nav-panel--products .poi-menu-surface,
  .poi-nav-panel--calculators .poi-menu-surface,
  .poi-nav-panel--math .poi-menu-surface,
  .poi-nav-panel--guides .poi-menu-surface{padding:10px 12px;background:#f8fbff}
  .poi-nav-panel--products .poi-menu-surface::before,
  .poi-nav-panel--calculators .poi-menu-surface::before,
  .poi-nav-panel--math .poi-menu-surface::before,
  .poi-nav-panel--guides .poi-menu-surface::before{display:none}

  .poi-home-preview{max-width:410px}
  .poi-home-preview-kicker{padding:9px 10px 6px;font-size:10px}
  .poi-home-preview-screen{margin:0 9px}
  .poi-home-preview-caption{padding:9px 10px 10px}
  .poi-home-preview-caption strong{font-size:13.5px}
  .poi-home-preview-caption span{font-size:11px}
  .poi-home-links a{background:#fff;border:1px solid #e1e9f3;font-size:14.5px}

  .poi-mega-heading{align-items:flex-start;gap:10px;padding-bottom:10px}
  .poi-mega-kicker{font-size:10.5px}
  .poi-mega-heading strong{font-size:16px}
  .poi-mega-heading>a{font-size:12.5px}

  .poi-products-grid{grid-template-columns:1fr;gap:3px;margin-top:8px}
  .poi-products-grid::before{display:none}
  .poi-product-link{
    grid-template-columns:36px minmax(0,1fr);column-gap:10px;row-gap:2px;padding:10px 10px 10px 8px;
    background:#fff;border:1px solid #e1e9f3;font-size:14.25px;line-height:1.44
  }
  .poi-product-link::before{width:34px;height:34px;background-size:16px 16px;border-radius:10px}
  .poi-menu-link-title{font-size:15.5px}
  .poi-product-link>span:last-child{font-size:14.25px;line-height:1.42}
  .poi-product-link:hover,.poi-product-link:focus-visible{background:#eaf3ff;transform:none}
  .poi-mega-footer{justify-content:flex-start;flex-wrap:wrap;gap:10px 18px;margin-top:10px;padding-top:11px}

  .poi-calculator-grid{display:block;margin-top:9px}
  .poi-nav-panel--calculators .poi-menu-surface{max-height:none;overflow:visible}
  .poi-calc-column{padding:0!important;margin:0 0 7px;border:1px solid #dce7f3;border-radius:10px;background:#fff;overflow:hidden}
  .poi-calc-column:not(:first-child)::before{display:none}
  .poi-calc-column .poi-calc-heading{display:none}
  .poi-calc-accordion-toggle{
    display:flex;width:100%;align-items:center;justify-content:space-between;gap:12px;min-height:46px;padding:10px 12px;border:0;
    background:#fff;color:#102f5b;font:inherit;font-size:15px;font-weight:900;line-height:1.25;text-align:left;cursor:pointer
  }
  .poi-calc-accordion-toggle:hover,.poi-calc-accordion-toggle:focus-visible{background:#edf5ff;color:#145fc2;outline:none}
  .poi-calc-accordion-icon{
    position:relative;display:block;flex:0 0 12px;width:12px;height:8px;transition:transform .15s ease
  }
  .poi-calc-accordion-icon::before,.poi-calc-accordion-icon::after{
    content:"";position:absolute;top:3px;width:7px;height:2px;border-radius:2px;background:currentColor
  }
  .poi-calc-accordion-icon::before{left:0;transform:rotate(42deg);transform-origin:right center}
  .poi-calc-accordion-icon::after{right:0;transform:rotate(-42deg);transform-origin:left center}
  .poi-calc-accordion-toggle[aria-expanded="true"] .poi-calc-accordion-icon{transform:rotate(180deg)}
  .poi-calc-links{display:none;padding:2px 10px 10px;border-top:1px solid #e5edf6}
  .poi-calc-links.is-open{display:block}
  .poi-calc-column a{margin:0;padding:7px 24px 7px 7px;border-radius:7px;font-size:14.5px;font-weight:700;line-height:1.4}

  .poi-topic-grid{gap:10px 14px;margin-top:10px}
  .poi-topic-column{padding:9px 10px;background:#fff;border:1px solid #e1e9f3;border-radius:10px}
  .poi-topic-column h3{font-size:15px;margin-bottom:7px;padding-left:8px}
  .poi-topic-column a{font-size:14px;padding:5.5px 6px}

  .site-header .nav-links>.nav-trial,.site-header .nav-links>.nav-buy{width:100%;margin-top:5px;min-height:42px}
  .site-header .nav-links.open{max-height:calc(100vh - 105px);overflow-y:auto;overscroll-behavior:contain}
}

@media (max-width:560px){
  .poi-mega-heading{display:grid}
  .poi-topic-grid{grid-template-columns:1fr}
  .poi-home-preview{max-width:none}
}